# =============================================================================
# RE Workflow - Full Stack Docker Compose
# Includes: Application + Database + Monitoring Stack
# =============================================================================
# Usage:
#   docker-compose -f docker-compose.full.yml up -d
# =============================================================================

version: '3.8'

services:
  # ===========================================================================
  # APPLICATION SERVICES
  # ===========================================================================
  
  postgres:
    image: postgres:16-alpine
    container_name: re_workflow_db
    environment:
      POSTGRES_USER: ${DB_USER:-laxman}
      POSTGRES_PASSWORD: ${DB_PASSWORD:-Admin@123}
      POSTGRES_DB: ${DB_NAME:-re_workflow_db}
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./database/schema:/docker-entrypoint-initdb.d
    networks:
      - re_workflow_network
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-laxman}"]
      interval: 10s
      timeout: 5s
      retries: 5

  redis:
    image: redis:7-alpine
    container_name: re_workflow_redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    networks:
      - re_workflow_network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  backend:
    build:
      context: .
      dockerfile: Dockerfile
    container_name: re_workflow_backend
    environment:
      NODE_ENV: development
      DB_HOST: postgres
      DB_PORT: 5432
      DB_USER: ${DB_USER:-laxman}
      DB_PASSWORD: ${DB_PASSWORD:-Admin@123}
      DB_NAME: ${DB_NAME:-re_workflow_db}
      REDIS_URL: redis://redis:6379
      PORT: 5000
      # Loki for logging
      LOKI_HOST: http://loki:3100
    ports:
      - "5000:5000"
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    volumes:
      - ./logs:/app/logs
      - ./uploads:/app/uploads
    networks:
      - re_workflow_network
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "node -e \"require('http').get('http://localhost:5000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})\""]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

  # ===========================================================================
  # MONITORING SERVICES
  # ===========================================================================

  prometheus:
    image: prom/prometheus:v2.47.2
    container_name: re_prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./monitoring/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - ./monitoring/prometheus/alert.rules.yml:/etc/prometheus/alert.rules.yml:ro
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--storage.tsdb.retention.time=15d'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
      - '--web.enable-lifecycle'
    networks:
      - re_workflow_network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "wget", "-q", "--spider", "http://localhost:9090/-/healthy"]
      interval: 30s
      timeout: 10s
      retries: 3

  loki:
    image: grafana/loki:2.9.2
    container_name: re_loki
    ports:
      - "3100:3100"
    volumes:
      - ./monitoring/loki/loki-config.yml:/etc/loki/local-config.yaml:ro
      - loki_data:/loki
    command: -config.file=/etc/loki/local-config.yaml
    networks:
      - re_workflow_network
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3100/ready || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 5

  promtail:
    image: grafana/promtail:2.9.2
    container_name: re_promtail
    volumes:
      - ./monitoring/promtail/promtail-config.yml:/etc/promtail/config.yml:ro
      - ./logs:/var/log/app:ro
      - promtail_data:/tmp/promtail
    command: -config.file=/etc/promtail/config.yml
    depends_on:
      - loki
    networks:
      - re_workflow_network
    restart: unless-stopped

  grafana:
    image: grafana/grafana:10.2.2
    container_name: re_grafana
    ports:
      - "3001:3000"
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=REWorkflow@2024
      - GF_USERS_ALLOW_SIGN_UP=false
      - GF_FEATURE_TOGGLES_ENABLE=publicDashboards
      - GF_INSTALL_PLUGINS=grafana-clock-panel,grafana-simple-json-datasource,grafana-piechart-panel
    volumes:
      - grafana_data:/var/lib/grafana
      - ./monitoring/grafana/provisioning/datasources:/etc/grafana/provisioning/datasources:ro
      - ./monitoring/grafana/provisioning/dashboards:/etc/grafana/provisioning/dashboards:ro
      - ./monitoring/grafana/dashboards:/var/lib/grafana/dashboards:ro
    depends_on:
      - prometheus
      - loki
    networks:
      - re_workflow_network
    restart: unless-stopped
    healthcheck:
      test: ["CMD-SHELL", "wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 3

  node-exporter:
    image: prom/node-exporter:v1.6.1
    container_name: re_node_exporter
    ports:
      - "9100:9100"
    networks:
      - re_workflow_network
    restart: unless-stopped

  alertmanager:
    image: prom/alertmanager:v0.26.0
    container_name: re_alertmanager
    ports:
      - "9093:9093"
    volumes:
      - ./monitoring/alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml:ro
      - alertmanager_data:/alertmanager
    command:
      - '--config.file=/etc/alertmanager/alertmanager.yml'
      - '--storage.path=/alertmanager'
    networks:
      - re_workflow_network
    restart: unless-stopped

# ===========================================================================
# NETWORKS
# ===========================================================================
networks:
  re_workflow_network:
    driver: bridge
    name: re_workflow_network

# ===========================================================================
# VOLUMES
# ===========================================================================
volumes:
  postgres_data:
    name: re_postgres_data
  redis_data:
    name: re_redis_data
  prometheus_data:
    name: re_prometheus_data
  loki_data:
    name: re_loki_data
  promtail_data:
    name: re_promtail_data
  grafana_data:
    name: re_grafana_data
  alertmanager_data:
    name: re_alertmanager_data